115621724 has 12 divisors (see below), whose sum is σ = 209315400. Its totient is φ = 55817328.

The previous prime is 115621721. The next prime is 115621771. The reversal of 115621724 is 427126511.

115621724 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115621721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498254 + ... + 498485.

It is an arithmetic number, because the mean of its divisors is an integer number (17442950).

Almost surely, 2^115621724 is an apocalyptic number.

It is an amenable number.

115621724 is a deficient number, since it is larger than the sum of its proper divisors (93693676).

115621724 is a wasteful number, since it uses less digits than its factorization.

115621724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996772 (or 996770 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 115621724 is about 10752.7542518185. The cubic root of 115621724 is about 487.1691890229.

The spelling of 115621724 in words is "one hundred fifteen million, six hundred twenty-one thousand, seven hundred twenty-four".